Handgun



FIG. 1 is an isometric view showing the design;

FIG. 2 is a left view showing the design;

FIG. 3 is a right view showing the design;

FIG. 4 is a front view showing the design;

FIG. 5 is a back view showing the design;

FIG. 6 is a top view showing the design; and,

FIG. 7 is a bottom view showing the design.

The broken lines in the drawings illustrate portions of the handgun which form no part of the claimed design. 

CLAIM The ornamental design for a handgun, as shown. 